also undeprecate optparse

Upstream undeprecated it in December (python/cpython#126227)

Author: aaronliu0130

pylint/checkers/imports.py

@@ -47,7 +47,6 @@
 
 DEPRECATED_MODULES = {
     (0, 0, 0): {"tkinter.tix", "fpectl"},
-    (3, 2, 0): {"optparse"},
     (3, 3, 0): {"xml.etree.cElementTree"},
     (3, 4, 0): {"imp"},
     (3, 5, 0): {"formatter"},